Flight OddsWN1770 GRR → MDW
Southwest Airlines · Grand Rapids, MI to Chicago, IL · 30 flights observed, 2026-01-10 to 2026-03-02 · 137 mi
WN1770 covers more than one route in the data window — the stats below are for GRR → MDW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
86%
Median delay
-4 min
90th percentile
+21 min
Cancellation rate
0%
How often is WN1770 on time?
Across 30 flights on GRR → MDW from 2026-01-10 to 2026-03-02, WN1770 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +21 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 24 | 86% |
| 16-30 min | 3 | 11% |
| 31-60 min | 1 | 4% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 9 | 78% | +0 min |
| 2026-02 | 17 | 88% | -5 min |
| 2026-03 | 2 | 100% | -7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 75% |
| Tue | 1 | 100% |
| Wed | No data | — |
| Thu | 5 | 100% |
| Fri | 4 | 75% |
| Sat | 8 | 100% |
| Sun | 6 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…